Gurobi 5.0.1 (linux64) logging started Sat Dec 8 10:25:13 2012 Optimize a model with 3255 rows, 3240 columns and 11830 nonzeros Presolve removed 428 rows and 115 columns Presolve time: 0.02s Presolved: 2827 rows, 3125 columns, 10890 nonzeros Variable types: 2787 continuous, 338 integer (338 binary) Root relaxation: objective 1.207480e+05, 490 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 120747.956 0 7 - 120747.956 - - 0s H 0 0 121572.00000 120747.956 0.68% - 0s H 0 0 120918.00000 120747.956 0.14% - 0s 0 0 120753.497 0 7 120918.000 120753.497 0.14% - 0s 0 0 120753.497 0 7 120918.000 120753.497 0.14% - 0s 0 0 120753.497 0 7 120918.000 120753.497 0.14% - 0s 0 0 120753.612 0 10 120918.000 120753.612 0.14% - 0s 0 0 120753.769 0 5 120918.000 120753.769 0.14% - 0s H 0 0 120895.00000 120753.769 0.12% - 0s 0 2 120776.248 0 5 120895.000 120776.248 0.10% - 0s * 7 4 7 120813.00000 120784.000 0.02% 1.4 0s * 10 1 2 120786.00000 120786.000 0.0% 1.7 0s Cutting planes: Gomory: 1 Flow cover: 3 Explored 11 nodes (842 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.207860000000e+05, best bound 1.207860000000e+05, gap 0.0%